<!DOCTYPE html>
<html lang="">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>广告页</title>
</head>
<body class="dpflex fdcolumn">
    <!-- 头部 -->
    <div class="header ">
   源码健身
    </div>
<!-- 内容区域 -->
  <main class="content flex1 ">
   

  </main>
  <!-- 倒计时 -->
  <div class="count-down">
    <span id="countNum">5 </span>
    秒 | 跳 过
  </div>
  <p class="slogan"> HOLD ON</p>
</body>
</html>